function Visitor(name){
    this.name = name
    this.g_menu = []
    this.g_status = 0
    this.jindian = false
}
Visitor.prototype.pointFood = function(){
  let num = Math.floor(Math.random()*5);
  if(num == 0) num = 1
  this.g_menu = skyPeople.menu.slice(0,num);
}

